Sydney Weather in October
Australia · Oceanic climate · Data averaged from 2020-01-01 to 2024-12-31 (5 years)
October in Sydney sees average temperatures ranging from a low of 12.8°C (55.0°F) to a high of 22.4°C (72.3°F), with a mean of 17.4°C (63.3°F). Compared to the annual average of 17.3°C (63.1°F), this month is 0.1°C warmer than the yearly norm. Precipitation averages 94.3mm, making it approximately 6.0mm drier than the monthly average of 100.0mm. The city receives an average of 10.1 hours of sunshine per day during October, with relative humidity averaging 71.5%. Wind speeds reach an average maximum of 22.6 km/h. For travelers, this month offers a temperature experience in Sydney, with drier-than-average conditions compared to the rest of the year.
The numbers show something travelers often miss: Sydney's 'winter' (June-August) averages 17°C — warmer than London's summer. I spent a July there expecting cold and instead got perfect hiking weather. The real challenge is the UV index in summer (December-February). The data is clear: if you're planning beach days, March-April give you warmth without the extreme UV. Christmas on the beach still feels wrong to me, but the locals love it.
October vs Adjacent Months
| Metric | September | October | November |
|---|---|---|---|
| Mean Temp | 15.7°C (60.3°F) | 17.4°C (63.3°F) | 19.2°C (66.6°F) |
| Rainfall | 50.9mm | 94.3mm | 100.7mm |
| Sunshine | 10.1 hrs | 10.1 hrs | 10.4 hrs |
| Humidity | 66.9% | 71.5% | 75.0% |
| Wind | 22.4 km/h | 22.6 km/h | 22.5 km/h |
| Rainy Days | 13.0 | 18.2 | 19.2 |
Seasonal Context
October falls in Autumn in the Northern Hemisphere. Autumn sees temperatures gradually cooling from summer highs. For travelers visiting Sydney in October, the data indicates favorable conditions based on the combination of temperature, precipitation, and daylight hours.
Frequently Asked Questions
What is the average temperature in Sydney in October?
The average temperature in Sydney during October ranges from 12.8°C (55.0°F) to 22.4°C (72.3°F), with a mean of 17.4°C (63.3°F).
How much does it rain in Sydney in October?
Sydney receives an average of 94.3mm of precipitation in October, spread across approximately 18.2 rainy days.
What should I pack for Sydney in October?
Based on October weather data, pack layers including light jackets and t-shirts, plus an umbrella.
Is October a good time to visit Sydney?
October is a good time to visit Sydney, with comfortable temperatures and manageable rainfall.
Other Months for Sydney
Cities with Similar October Climate (Oceanic)
Data Source: Open-Meteo historical archive (2020-01-01 to 2024-12-31). Daily measurements aggregated into monthly climate normals. Coordinates: -33.87°, 151.21°. Timezone: Australia/Sydney. Last updated: 2026-07-30.